20451585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17707}}^1$

素因数の和:17733

約数の個数: 32

約数和(自身を含む): 40799232

約数和(自身を除く): 20347647

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17707, 53121, 88535, 123949, 194777, 265605, 371847, 584331, 619745, 973885, 1363439, 1859235, 2921655, 4090317, 6817195, 20451585]

約数ペア:

[(1, 20451585), (3, 6817195), (5, 4090317), (7, 2921655), (11, 1859235), (15, 1363439), (21, 973885), (33, 619745), (35, 584331), (55, 371847), (77, 265605), (105, 194777), (165, 123949), (231, 88535), (385, 53121), (1155, 17707)]